Presentation on theme: "Data handling Thursday. Objectives for today Extending our knowledge of statistics – range, mode, median and the mean. mode rangeToday we are focusing."— Presentation transcript:
Objectives for today Extending our knowledge of statistics – range, mode, median and the mean. mode rangeToday we are focusing on finding the mode and the range.
Learning objectives for today moderangeTo be able to explain what the words mode and range mean. findmode rangeTo be able to find the mode and the range of a set of data.
Recap on vocabulary Today we are going to learn what this word means?
Recap on vocabulary The mean is the average value
Finding the MEAN 10 20 15 We work this out by adding the numbers together and dividing that number by the total number of values in the data set.
Now try these! 3 5 7 = 412 10 16 = 5 10 15 10 20 = The mean may not be one of the values.
Recap on vocabulary What does the word mean? largest The difference between the smallest and the largest number. Is the most common.
Vocabulary explained The RANGE is the difference between the highest number and the lowest number in a set of data. It tells us how spread out the data is. The MODE is the most common number in a set of data. Both these are called STATISTICS.
Weights of newborn babies What is the range of weights? What is the modal weight? 9 pounds 10 pounds 8 pounds 6 pounds 8 pounds 4 pounds 8 pounds Questions
Shoe sizes What is the range of shoe sizes? What is the modal shoe size? Size 4 Size 13 Size 12 Size 5 Size 10 Size 5 Size 11 Size 6 9 sizes Size 5